Look up DSD in Wiktionary, the free dictionary.

DSD may refer to:

Science and research

• Detrusor sphincter dyssynergia, disorder of urination
• Disorders of sex development, differences of sex differentiation
• Definitive Screening Design, an experimental design for multiple variables

Technology

• Data structure diagram of a data model
• Direct Stream Digital, Sony and Philips digital recording trademark
• Document Structure Description, a schema language for describing valid XML

Organizations

• Defence Signals Directorate, an Australian intelligence agency
• Department for Social Development
• Det Stavangerske Dampskibsselskap, a Norwegian transport and shipping company
• Drainage Services Department, Hong Kong
• Davis School District, Utah
• Delaware School for the Deaf

Government

• United States District Court for the District of South Dakota, abbreviation in case decisions
• Downing Street Declaration, by UK PM and Irish Taoiseach
• New Zealand Distinguished Service Decoration, a medal awarded by the New Zealand Defence Force

Media

• Do Something Different, a British CBBC television show
• DSD, a group on the album Thug Misses

Other uses

• Defence Studies Department (King's College, London)
• Deutsches Sprachdiplom (German Language Diploma), of the German Academic Exchange Service
• Direct store delivery, without 3rd party distributor
• Discover Scuba Diving program
• Driver's Safety Device, or dead man's switch
• Raindrop size distribution in rain, snow, etc...
• Dsd, the Köppen climate classification for an extremely rare subarctic climate variant with dry summers and extreme winters

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